Tan-Phong Ngo and Thuy-Chung Kieu-Le 2021. Application of particle image velocimetry (PIV) to measure the displacement of sandy soil in laboratory. Vietnam Journal of Science, Technology and Engineering. 63, 3 (Sep. 2021), 70-77. DOI:https://doi.org/10.31276/VJSTE.63(3).70-77.